Additional Operating And Display Elements; In The Crane Cab - Manitowoc Grove GMK 5220 Instruction Manual

3
3.1
3.1.1
At the control
console, right
Lattice extension operating instructions
GMK 5220
12/21 m (39/69 ft) swing-away lattice extension

Additional operating and display elements

When the GMK 5220 is equipped with swing-away lattice extension, certain
operating and display elements in the crane cab also apply to the operation
of the lattice extension. The following sections describe:
– all operating and display elements in the crane cab required for the oper-
ation of the lattice extension.
– all operating and display elements on the hand-held control required for
the operation of the lattice extension.
– the operating elements located directly on the swing-away lattice exten-
sion.

In the crane cab

In the crane cabin there are additional operating and display elements on
the right control console on the display Crane control and on the plug-in
module of the safe load indicator.
The hydraulically derricked lattice extension has an additional rocker button
on the right control panel and the right control lever has an additional func-
tion.
The rocker button Derricking lattice extension on/off (1) is used to switch the
lattice extension derricking gear on and off.
There is an indicator lamp in the rocker button. The indicator lamp shows
whether the derricking gear of the lattice extension is switched on or off.
Indicator lamp is dimly lit:
Indicator lamp is brightly lit:
After switching on the ignition, the derricking gear of the lattice extension is
off and the indicator lamp in the rocker button is dimly lit.
12/21 m (39/69 ft) swing-away lattice extension
3.1 Additional operating and display elements
Derricking gear is switched off
Derricking gear is switched on
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